xref: /openbmc/linux/include/linux/regulator/fixed.h (revision f7907e57)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * fixed.h
4  *
5  * Copyright 2008 Wolfson Microelectronics PLC.
6  *
7  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
8  *
9  * Copyright (c) 2009 Nokia Corporation
10  * Roger Quadros <ext-roger.quadros@nokia.com>
11  */
12 
13 #ifndef __REGULATOR_FIXED_H
14 #define __REGULATOR_FIXED_H
15 
16 struct regulator_init_data;
17 
18 /**
19  * struct fixed_voltage_config - fixed_voltage_config structure
20  * @supply_name:	Name of the regulator supply
21  * @input_supply:	Name of the input regulator supply
22  * @microvolts:		Output voltage of regulator
23  * @startup_delay:	Start-up time in microseconds
24  * @enabled_at_boot:	Whether regulator has been enabled at
25  * 			boot or not. 1 = Yes, 0 = No
26  * 			This is used to keep the regulator at
27  * 			the default state
28  * @init_data:		regulator_init_data
29  *
30  * This structure contains fixed voltage regulator configuration
31  * information that must be passed by platform code to the fixed
32  * voltage regulator driver.
33  */
34 struct fixed_voltage_config {
35 	const char *supply_name;
36 	const char *input_supply;
37 	int microvolts;
38 	unsigned startup_delay;
39 	unsigned int off_on_delay;
40 	unsigned enabled_at_boot:1;
41 	struct regulator_init_data *init_data;
42 };
43 
44 struct regulator_consumer_supply;
45 
46 #if IS_ENABLED(CONFIG_REGULATOR)
47 struct platform_device *regulator_register_always_on(int id, const char *name,
48 		struct regulator_consumer_supply *supplies, int num_supplies, int uv);
49 #else
regulator_register_always_on(int id,const char * name,struct regulator_consumer_supply * supplies,int num_supplies,int uv)50 static inline struct platform_device *regulator_register_always_on(int id, const char *name,
51 		struct regulator_consumer_supply *supplies, int num_supplies, int uv)
52 {
53 	return NULL;
54 }
55 #endif
56 
57 #define regulator_register_fixed(id, s, ns) regulator_register_always_on(id, \
58 						"fixed-dummy", s, ns, 0)
59 
60 #endif
61